ext2: code cleanup for ext2_preread_inode()

Calling bdi_rw_congested() instead of calling
bdi_read_congested() and bdi_write_congested().

Signed-off-by: Chengguang Xu <cgxu519@zoho.com.cn>
Signed-off-by: Jan Kara <jack@suse.cz>
1 file changed